/* ============================================================================
   ITMS CLOSING SYSTEM - APPLICATION SHELL & LAYOUT
   Features: Uganda Tri-Color Ribbon, TUI-mirrored 6 Navigation Tabs,
             Metrics Ribbon, Bottom Activity Terminal, and Keyboard Footer
   ============================================================================ */

/* Top National Pride Accent Ribbon */
.uganda-flag-ribbon {
    height: 4px;
    width: 100%;
    background: linear-gradient(
        90deg,
        #000000 0%,
        #000000 33.33%,
        #FCDC04 33.33%,
        #FCDC04 66.66%,
        #D90000 66.66%,
        #D90000 100%
    );
    flex-shrink: 0;
    z-index: 100;
}

/* Header */
header.app-header {
    background-color: var(--ug-black-card);
    border-bottom: 1px solid var(--ug-border);
    padding: 8px 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    height: auto;
    flex-shrink: 0;
    z-index: 20;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-icon {
    font-size: 1.4rem;
    line-height: 1;
}

.brand-titles {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 6px;
}

.brand-name span.accent {
    color: var(--ug-yellow);
}

.brand-sub {
    font-size: 0.68rem;
    color: var(--ug-text-muted);
    letter-spacing: 0.3px;
    text-transform: uppercase;
    font-weight: 600;
}

/* Header Pills */
.header-badges {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 10px;
}

/* Primary Navigation Tabs (Mirroring TUI: 1 to 6) */
nav.main-nav-tabs {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    overflow-x: auto;
    gap: 4px;
    background-color: var(--ug-black-surface);
    padding: 3px 4px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--ug-border);
}

.nav-tab-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--ug-text-muted);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
    border: none;
    background: transparent;
    user-select: none;
}

.nav-tab-item:hover {
    color: #ffffff;
    background-color: var(--ug-black-card-hover);
}

.nav-tab-item.active {
    background-color: var(--ug-yellow);
    color: #000000;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.nav-tab-item.active .hotkey {
    background-color: rgba(0, 0, 0, 0.18);
    color: #000000;
    border-color: rgba(0, 0, 0, 0.25);
}

.nav-tab-item .tab-badge {
    padding: 1px 6px;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 700;
    background-color: rgba(0, 0, 0, 0.25);
    color: inherit;
}

/* Header Right Actions */
.header-user-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Main Content Workspace */
main.app-workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    height: calc(100vh - 56px - 32px);
    min-height: 0;
}

.tab-pane {
    display: none;
    flex: 1;
    height: 100%;
    overflow: hidden;
    min-height: 0;
}

.tab-pane.active {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

/* Keyboard Shortcuts Footer (TUI Style) */
footer.app-footer {
    height: 26px;
    background-color: var(--ug-black);
    border-top: 1px solid var(--ug-border);
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--ug-text-muted);
    flex-shrink: 0;
}

.footer-hotkeys {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow-x: auto;
    white-space: nowrap;
}

.footer-hotkey-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.footer-key {
    font-family: var(--font-mono);
    font-weight: 700;
    background-color: var(--ug-border);
    color: var(--ug-yellow);
    padding: 0 4px;
    border-radius: 2px;
}

/* Universal Date / Session Scope Filter Controls (TUI Scope Mirror) */
.scope-filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--ug-black-card);
    border: 1px solid var(--ug-border);
    border-radius: var(--radius-md);
    padding: 6px 10px;
    gap: 8px;
}
.scope-filter-bar-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.scope-filter-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--ug-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.scope-pills-group {
    display: flex;
    align-items: center;
    gap: 4px;
    background-color: var(--ug-black-surface);
    border: 1px solid var(--ug-border);
    padding: 2px 3px;
    border-radius: var(--radius-sm);
    flex-wrap: wrap;
}
.scope-pill-btn {
    background: transparent;
    border: none;
    color: var(--ug-text-muted);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.scope-pill-btn:hover {
    color: #ffffff;
    background-color: var(--ug-black-card-hover);
}
.scope-pill-btn.active {
    background-color: var(--ug-yellow);
    color: #000000;
    font-weight: 800;
}
.scope-pill-btn.active.scope-carryover {
    background-color: #f59e0b;
    color: #000000;
}
.scope-pill-btn.active.scope-active-batch {
    background-color: var(--ug-green);
    color: #ffffff;
}
.scope-pill-btn.active.scope-all {
    background-color: var(--ug-cyan);
    color: #000000;
}
.scope-summary-tag {
    font-size: 0.7rem;
    color: var(--ug-text-dim);
    font-family: var(--font-mono);
}


/* ============================================================================
   RESPONSIVE DESIGN & MOBILE MENU OVERRIDES
   ============================================================================ */
.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 5px;
    margin-right: 10px;
}

.header-main-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

@media (max-width: 992px) {
    header.app-header {
        flex-direction: column;
        height: auto;
        padding: 10px;
        position: relative;
        max-width: 100vw;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .brand-section {
        width: 100%;
        justify-content: flex-start;
    }
    
    .brand-sub {
        display: none; /* Hide subtitle on mobile to save space */
    }
    
    .desktop-badges {
        display: none !important; /* Hide badges in header to save space on mobile */
    }
    
    .desktop-user {
        display: none !important; /* Hide user profile on mobile top bar */
    }
    
    .hide-mobile {
        display: none !important;
    }
    
    /* Collapsible Navigation Menu */
    nav.main-nav-tabs {
        display: none; /* Hidden by default on mobile */
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 56px;
        left: 0;
        background-color: var(--ug-black-card);
        border: 1px solid var(--ug-border);
        border-radius: 0 0 8px 8px;
        z-index: 1000;
        padding: 10px;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    nav.main-nav-tabs.show-mobile {
        display: flex;
    }
    
    .nav-tab-item {
        width: 100%;
        justify-content: flex-start;
        padding: 12px 14px;
        border-bottom: 1px solid var(--ug-border);
    }
    
    .nav-tab-item:last-child {
        border-bottom: none;
    }
    
    main.app-workspace {
        height: calc(100vh - 50px - 26px); /* Adjust height for mobile header & footer */
    }
    
    .footer-hotkeys {
        display: none; /* Hide most hotkeys on mobile */
    }
}